Volume 8, Issue 1 (Spring 2018 -- 2018)                   PTJ 2018, 8(1): 0-0 | Back to browse issues page

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Allafan N, Shahrbanian S, Rajabi R, Minoonejad H, Bayati M. Comparison of Perceived Musculoskeletal Discomfort Among Six Common Postures for Laptop Use in Female Students. PTJ. 2018; 8 (1)
URL: http://ptj.uswr.ac.ir/article-1-358-en.html
1- Department of Sport Medicine, Faculty of Physical Education and Sport Sciences, University of Tehran, Tehran, Iran.
2- Department of Physical Education, Faculty of Humanities, Tarbiat Modares University, Tehran, Iran.
3- Department of Sport Medicine and Health, Faculty of Physical Education & Sport Sciences, University of Tehran, Tehran, Iran.
4- Department of Exercise Physiology, Sports Medicine Research Center, Sport Sciences Research Institute, Tehran, Iran.
Abstract:   (86 Views)
Purpose: The present study aimed to compare Musculoskeletal Discomforts (MSDs) among 6 different common postures while working with laptop in female students of University of Tehran, in Tehran City, Iran.
Methods: This was a crossover trial study.  Eighteen female students voluntarily and purposefully participated in all stages of the study. The study participants were randomly assigned into groups to work for 10 minutes on different postures for laptop use during 6 continuous nights. MSD was measured each night after 10 minutes of laptop use. For this purpose, Van der Grinten and Smith (1992) method was applied. Data were analyzed by repeated measures one-way ANOVA at a significance level of P≤0.05, using SPSS.
Results: The obtained results suggested a significant difference between MSD in 6 working postures (P=0.005). The results of Bonferroni post hoc analysis revealed that the highest level of MSD was observed in a cross-legged sitting position on the floor. While, the lowest level of MSD was found in the sitting on a chair posture. Also, the study participants who used a desk in order to increase the height of the laptop, reported less levels of MSD than laptop use in the cross-legged position on the floor (P=0.039) or sitting on the bed (P=0.011).
Conclusion: According to this study, in order to minimize MSD during working with laptop, it is recommended to use desk and chairs instead of sitting cross-legged on the floor or bed.
Type of Study: Research | Subject: General
Received: 2018/10/6 | Accepted: 2018/11/11

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